The Ring,piston, cataloged under National Stock Number 2825-00-271-9024, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 42 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-271-9024 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| FSC Application Data | VALVE,CONTROL STEAM TURBINE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.1510 INCHES MINIMUM AND 0.1610 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 3.687 INCHES IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8258494P49 | 5/9 Secondary reference General Electric Company |
| WW8679687PC15 | 5/9 Secondary reference General Electric Company |
| W5939495PC119 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8258492P15 | 5/9 Secondary reference General Electric Company |
| WW8258494PC49 | 5/9 Secondary reference General Electric Company |
| 8679687P15 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5939360PC49 | 5/9 Secondary reference General Electric Company |
| WW5939357PC15 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8679687PC15 | 5/9 Secondary reference General Electric Company |
| R19859 | 5/9 Secondary reference Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| WW8679690PC49 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5939360PC49 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5939357PC15 | 5/9 Secondary reference General Electric Company |
| WW8258492PC15 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8018675P49 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5939357P15 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| R19859 | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| WW8018672PC15 | 5/9 Secondary reference General Electric Company |
| 5939357-15 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 8679690P49 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 2825-00-271-9024 is a Ring,piston, classified under FSC 2825, Steam Turbines and Components. Status: active.
Key specifications for 2825-00-271-9024: FSC Application Data: VALVE,CONTROL STEAM TURBINE; Overall Width: 0.2470 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Radial Wall Thickness: 0.1510 INCHES MINIMUM AND 0.1610 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.